Subatomic particles, gravity wells and the beginning of the universe – these are difficult and mysterious concepts that are ...

Oftentimes, we think of space as an endless, mostly empty vacuum, a silent backdrop where planets, stars, and galaxies play out their dance. We also think of time as something separate, a steady ...

What does it mean to be to space-time? The seemingly simple question gets to the essence of twentieth-century physics and has driven a hundred-year debate between philosophy and science. In Einstein’s ...

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Cosmology is in crisis. The pillars of science’s most successful model of how the universe formed – and where it is heading – are starting to crack. One of those pillars is dark energy, a mysterious ...